Linux下Tomcat+Nginx服务器环境安装配置的简明教程
一、安装
1.安装jdk
下载的jdk文件为:jdk-6u45-linux-x64.bin,执行如下命令进行安装:
#./jdk-6u12-linux-i586.bin
2.安装tomcat:
#tar zxvf apache-tomcat-6.0.18.tar.gz #mv apache-tomcat-6.0.29 tomcat
这里我将解压后的apache-tomcat-6.0.29重命名为了tomcat方便操作。
3.配置环境变量:
编辑/etc下的profile文件,加上如下内容:
java_home="/opt/app/jdk1.6.0_45" class_path="$java_home/lib:$java_home/jre/lib" path=".:$path:$java_home/bin" catalina_home="/opt/app/tomcat" export java_home catalina_home
执行下面命令使变更生效:
# source /etc/profile
启动tomcat并输入http://domain:8080,如果看到猫的页面即tomcat和jdk安装成功
新建文件目录/home/www为网站存放目录,设置server.xml文件,在host name=”localhost”处将appbase=的指向路径改为/home/www/web
创建index.jsp至/home/www/web/root,内容为:“hello!” 重新启动tomcat,重新访问,如果看到index.jsp文件内容hello!表示设置成功。
4.安装nginx
执行如下命令解压nginx:
# tar zxvf nginx-1.4.4.tar.gz # mv nginx-1.4.4 nginx
同样重命名了一下。
安装nginx:
# ./configure --prefix=/opt/app/nginx
结果出现了错误:error: c compiler cc is not found,按网上所说安装编译源码所需的工具和库:
#yum install gcc gcc-c++ ncurses-devel perl
再次安装,发现还有错误:the http rewrite module requires the pcre library.
执行
# yum -y install pcre-devel openssl openssl-devel
终于成功,
# ./configure --prefix=/opt/app/nginx # make # make install
nginx安装成功后的安装目录为/opt/app/nginx
二、nginx方面的配置
在/usr/local/目录下分别安装nginx和tomcat
为nginx添加conf.d目录,用于各项目的配置,比如新建renhetoutiao.conf文件
server { listen 80; server_name devtoutiao.renhe.cn; root /home/renhetoutiao/renhetoutiao/htdocs; access_log /home/renhetoutiao/renhetoutiao/logs/access_log.log; location = / { rewrite ^/$ /index.shtml last; } location ~ .shtml { proxy_pass http://localhost:8081; proxy_set_header host $host; proxy_set_header x-real-ip $remote_addr; proxy_set_header x-forwarded-for $proxy_add_x_forwarded_for; } location ~ .*.(js|css)?$ { expires 1h; } } server { listen 80; server_name devtoutiao.renhe.cn; root /home/renhetoutiao/renhetoutiao/htdocs; access_log /home/renhetoutiao/renhetoutiao/logs/access_log.log; location = / { rewrite ^/$ /index.shtml last; } location ~ .shtml { proxy_pass http://localhost:8081; proxy_set_header host $host; proxy_set_header x-real-ip $remote_addr; proxy_set_header x-forwarded-for $proxy_add_x_forwarded_for; } location ~ .*.(js|css)?$ { expires 1h; } }
对nginx的conf/nginx.conf修改,第二行 user root,赋予nginx root权限,在http中添加 include /usr/local/nginx/conf.d/*.conf;
选择一个项目如renhetoutiao, 目录/home/renhetoutiao/renhetoutiao/
三、tomcat方面的配置
catalina.policy catalina.properties context.xml tomcat-users.xml server.xml web.xml
这5个配置文件就可以启动一个tomcat实例,其中server.xml是必须配置的。
catalina.policy catalina.properties web.xml 可以使用默认的,可以从安装路径copy,context.xml tomcat-users.xml可以不用。
所以每个项目我们只需要配置server.xml, 如renhetoutiao项目的配置
<?xml version='1.0' encoding='utf-8'?> <server port="8015" shutdown="shutdown"> <listener classname="org.apache.catalina.core.aprlifecyclelistener" sslengine="on" /> <listener classname="org.apache.catalina.core.jasperlistener" /> <listener classname="org.apache.catalina.core.jrememoryleakpreventionlistener" /> <listener classname="org.apache.catalina.mbeans.serverlifecyclelistener" /> <listener classname="org.apache.catalina.mbeans.globalresourceslifecyclelistener" /> <service name="catalina"> <connector port="8081" protocol="http/1.1" connectiontimeout="20000" redirectport="8443" /> <engine name="catalina" defaulthost="localhost"> <host name="localhost" appbase="webapps" unpackwars="true" autodeploy="false" xmlvalidation="false" xmlnamespaceaware="false"> <context docbase="/home/renhetoutiao/renhetoutiao/web" path="" /> </host> </engine> </service> </server> <?xml version='1.0' encoding='utf-8'?> <server port="8015" shutdown="shutdown"> <listener classname="org.apache.catalina.core.aprlifecyclelistener" sslengine="on" /> <listener classname="org.apache.catalina.core.jasperlistener" /> <listener classname="org.apache.catalina.core.jrememoryleakpreventionlistener" /> <listener classname="org.apache.catalina.mbeans.serverlifecyclelistener" /> <listener classname="org.apache.catalina.mbeans.globalresourceslifecyclelistener" /> <service name="catalina"> <connector port="8081" protocol="http/1.1" connectiontimeout="20000" redirectport="8443" /> <engine name="catalina" defaulthost="localhost"> <host name="localhost" appbase="webapps" unpackwars="true" autodeploy="false" xmlvalidation="false" xmlnamespaceaware="false"> <context docbase="/home/renhetoutiao/renhetoutiao/web" path="" /> </host> </engine> </service> </server>
因为使用nginx,tomcat的ajp不会使用,所以可以去掉,tomcat可以这样简单配置。注意每个项目的连接端口和关闭端口,不要有重复。
因为tomcat回去加载指定路径下得class lib,所以必须把配置、依赖等copy至web下,启动脚本bin/startup,关闭脚本bin/shutdown 如下:
#!/bin/sh export catalina_base="$pwd" export catalina_home="/usr/local/tomcat" #启动为适配tomcat目录做的准备 #迁移tomcat必要的配置文件 catalina.policy catalina.properties context.xml tomcat-users.xml web.xml if [ ! -f "$catalina_base"/conf/catalina.policy ]; then cp "$catalina_home"/conf/catalina.policy "$catalina_base"/conf fi if [ ! -f "$catalina_base"/conf/catalina.properties ]; then cp "$catalina_home"/conf/catalina.properties "$catalina_base"/conf fi if [ ! -f "$catalina_base"/conf/web.xml ]; then cp "$catalina_home"/conf/web.xml "$catalina_base"/conf fi if [ ! -d "$catalina_base"/logs ]; then mkdir logs fi #准备classes和lib目录 classes_path="$catalina_base"/web/web-inf/classes lib_path="$catalina_base"/web/web-inf/lib rm -rf "$classes_path" rm -rf "$lib_path" cp -r "$catalina_base"/conf "$classes_path" cp -r "$catalina_base"/lib "$lib_path" #启动时会记录进程id,存放于logs/tomcat.pid内 #shutdown时强制关闭该进程 $catalina_home/bin/startup.sh
#!/bin/sh export catalina_base="$pwd" export catalina_home="/usr/local/tomcat" #启动为适配tomcat目录做的准备 #迁移tomcat必要的配置文件 catalina.policy catalina.properties context.xml tomcat-users.xml web.xml if [ ! -f "$catalina_base"/conf/catalina.policy ]; then cp "$catalina_home"/conf/catalina.policy "$catalina_base"/conf fi if [ ! -f "$catalina_base"/conf/catalina.properties ]; then cp "$catalina_home"/conf/catalina.properties "$catalina_base"/conf fi if [ ! -f "$catalina_base"/conf/web.xml ]; then cp "$catalina_home"/conf/web.xml "$catalina_base"/conf fi if [ ! -d "$catalina_base"/logs ]; then mkdir logs fi #准备classes和lib目录 classes_path="$catalina_base"/web/web-inf/classes lib_path="$catalina_base"/web/web-inf/lib rm -rf "$classes_path" rm -rf "$lib_path" cp -r "$catalina_base"/conf "$classes_path" cp -r "$catalina_base"/lib "$lib_path" #启动时会记录进程id,存放于logs/tomcat.pid内 #shutdown时强制关闭该进程 $catalina_home/bin/startup.sh
#!/bin/sh export catalina_base="$pwd" export catalina_home="/usr/local/tomcat" $catalina_home/bin/shutdown.sh #!/bin/sh export catalina_base="$pwd" export catalina_home="/usr/local/tomcat" $catalina_home/bin/shutdown.sh
通过tomcat的startup.sh脚本,会碰到项目中分配的线程没有及时释放,tomcat不能及时关闭,导致重启时产生端口冲突
解决方案:强制关闭tomcat进程,kill -9 pid,执行脚本需要启动时记录各个tomcat实例的进程,这里将进程pid保存在项目的logs目录下。
记录pid的操作需要修改tomcat安装目录下 bin/catalina.sh脚本
在prgdir=dirname "$prg"后面加上
tomcat_pid="$pwd"/"logs/tomcat.pid" if [ -f "$tomcat_pid" ]; then catalina_pid="$tomcat_pid" elif [ $1 = "start" ]; then catalina_pid="$tomcat_pid" fi tomcat_pid="$pwd"/"logs/tomcat.pid" if [ -f "$tomcat_pid" ]; then catalina_pid="$tomcat_pid" elif [ $1 = "start" ]; then catalina_pid="$tomcat_pid" fi
最后需要给项目用户可执行权限 chmod 777 catalina.sh
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